Cyber Resilience

CVE-2024-52518

Medium

Published: 15 November 2024

Published
15 November 2024
Modified
23 January 2025
KEV Added
Patch
CVSS Score v3.1 4.4 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0012 30.5th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-52518 is a medium-severity Improper Authentication (CWE-287) vulnerability in Nextcloud Nextcloud Server. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 30.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Nextcloud Server is a self hosted personal cloud system. After an attacker got access to the session of a user or administrator, the attacker would be able to create, change or delete external storages without having to confirm the password.…

more

It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nextcloud
nextcloud server
28.0.0 — 28.0.12 · 28.0.0 — 28.0.12 · 29.0.0 — 29.0.9

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287 CWE-863

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287 CWE-863

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

addresses: CWE-287 CWE-863

Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.

addresses: CWE-863 CWE-287

Enforces correct authorization checks during the identifier assignment process.

addresses: CWE-287 CWE-863

Personnel screening, identity verification, and access-agreement requirements support reliable authentication and reduce authentication bypass opportunities.

addresses: CWE-287 CWE-863

Decoy authentication surfaces detect bypass attempts and deflect real credential attacks through observable malicious interactions.

addresses: CWE-863

Periodic review and update of procedures reduces incorrect authorization implementations over time.

addresses: CWE-863

Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.

References